{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "In the current study , we test two hypotheses : ( 1 ) the cardiac compensatory changes in response to air pollution are dependent on its composition and ( 2 ) specific cardiac adaptations are regulated by atrial natriuretic peptide ( ANP ) ."}
{"Chemical": []}